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Characterization of a glpK transducing phage.

C A Conrad, G W Stearns, W E Prater

    Molecular & General Genetics : MGG
    |January 1, 1984
    PubMed
    Summary

    Researchers isolated and characterized the lambda glpK100 transducing phage. The glpK gene component was localized within the bacterial DNA insert, and restriction sites were identified.

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    Area of Science:

    • Molecular Biology
    • Bacteriology
    • Genetics

    Background:

    • Bacteriophages are viruses that infect bacteria and can be used as tools in molecular biology.
    • The glpKF operon plays a role in bacterial metabolism.
    • Characterizing phage DNA is crucial for understanding gene transfer and manipulation.

    Purpose of the Study:

    • To isolate and characterize a specialized glpK transducing phage, designated lambda glpK100.
    • To determine the DNA structure of the isolated phage.
    • To localize the glpK gene component within the phage's bacterial DNA insert.

    Main Methods:

    • Isolation and characterization of the lambda glpK100 transducing phage.
    • DNA structural analysis of the phage.
    • Localization of the glpK gene component using restriction enzyme mapping (BamHI, EcoRI, HindIII).

    Main Results:

    • The lambda glpK100 phage was successfully isolated and characterized.
    • The glpK gene component was localized to a 2.0 kilobase pair (kbp) region within the approximately 8.24 kbp bacterial DNA insert.
    • Specific positions of BamHI, EcoRI, and HindIII restriction sites within the DNA insert were identified.

    Conclusions:

    • The lambda glpK100 phage is a specialized transducing phage carrying the glpK gene.
    • Detailed restriction mapping provides a foundation for further genetic studies of the glpKF operon.
    • This characterization facilitates the use of lambda glpK100 in molecular biology applications.

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